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Viber Setup.exe

Viber

Download Publisher

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application Viber Setup.exe by Download Publisher has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the AirInstaller Download Manager installer. The file has been seen being downloaded from software.downtoad.com.
Publisher:
Download Publisher  (signed and verified)

Product:
Viber

Version:
3.0.0.60

MD5:
3ac2d106ebbc64ff04665daf8ea45b6f

SHA-1:
2e290e17e8bf7a9a3bbf94e73663b42ab4227b68

SHA-256:
d2496569eb06a205773160ba9de224856df3c2419ccf5fc6a4a55e43671b2b98

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/24/2024 5:49:06 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.7.8.20

File size:
783.9 KB (802,752 bytes)

Product version:
3.0.0.60

Copyright:
(c) Download Publisher

Original file name:
Viber Setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

Common path:
C:\users\{user}\downloads\viber setup.exe

Digital Signature
Signed by:
Download Publisher

Authority:
VeriSign, Inc.

Valid from:
9/25/2014 7:00:00 AM

Valid to:
9/5/2016 6:59:59 AM

Subject:
CN=Download Publisher, O=Download Publisher, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
5ECC09F6F591E0329759887CAC9A3B81

File PE Metadata
Compilation timestamp:
12/11/2014 5:55:13 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:wlr21xKpH69CnyeufYUKGD35mU80ZFlTC8uqzeseFF2wBM2Ap44lNdz6kmoyUxyo:wp2syeufYUbVhZnJGFk44JzlBywnr

Entry address:
0x4CC9F

Entry point:
E8, 4E, 1A, 01, 00, E9, 89, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 69, 33, C0, 8A, 44, 24, 08, 84, C0, 75, 16, 81, FA, 80, 00, 00, 00, 72, 0E, 83, 3D, 00, 4F, 4A, 00, 00, 74, 05, E9, B1, 1A, 01, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1, 8B, CA, 83, E2, 03, C1, E9, 02, 74, 06, F3, AB, 85, D2, 74, 0A, 88, 07, 83, C7, 01, 83, EA, 01, 75, F6...
 
[+]

Entropy:
7.1226

The file Viber Setup.exe has been seen being distributed by the following URL.

http://software.downtoad.com/v2/click/ligiz166/?d=http://www.downtoad.com/1downloadfiles/viber.exe&n=Viber&key=6d6ad99184fe3f1df40468ff4767d2b8ab975f5b9bbbee22da78a0fe591a4f56&affiliate_image=http://www.downtoad.com/inventory/viber/.../installicon.png&product_image=http://www.downtoad.com/inventory/viber/.../installsplash.png&filename=Viber Setup&sid=Bing2-USA-Viber-

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